Electrical condenser casing



Jan. 26, 1932.

J. A. FRIED ELECTRICAL CONDENSER CASING Filed June 2, 1925 INVENTORJOSEPH 19. EH50 BY W ATTORNEYS I as Patented Jan. 26, 1932 UNITED STATESPATENT OFFICE JOSEPH A. FRIED, 0F FLUSHING, NEW YORK, ASSIGNOR TODUBILIER CONDENSER CORPORATION, OF NEW YORK, N. Y., A CORPORATION OFDELAWARE ELECTRICAL CONDENSER CASING Application filed June 2,

My invention relates to improvements in containers or casings forelectric condensers; particularly to a container provided with asupporting and anchoring member to enable it to be mounted with thecondenser in operative position.

An object of my invention is to provide a.

satisfactory container of simple yet eflective construction and ofinexpensive material. Another object of my invention is the provision ofmeans whereby the said container may be satisfactorily fastened upon abase board or firmly anchored to any desired supporting device withoutinjury to the walls of the said container.

Heretofore, containers intended to protect and cover electric condensershave been generally made of metal, molded or otherwise formed to theshape of the box. When such boxes are made in one piece by folding andbending the material by machinery, the cost of their production ishigher than is desirable; nevertheless such boxes are frequently made.Many conditions exist, however, in which condensers that do notnecessitate the enclosure of the condenser in so substantial a box asone made of metal are employed; and for many purposes where thecondenser is not exposed to rough treatment or handling, a casingcomposed .of cheaper and weaker material, such as cardboard or formed ofpapier-mach will give long and excellent service.

One of the greatest drawbacks heretofore metal, has been the dilficultyexperienced in rigidly attaching to the container anchoring lugs forfastening the container firmly to a supporting surface. Usuallyindividual lugs, rivetted to or claw-crimped upon the thin walls of sucha container are used. Experience teaches that lugs so attached are tooeasily torn away; the adjacent walls of the container then being sodamaged that the con denser as an electrical unit has to be discarded.In my improved container the use of relatively cheap and weak materialis retained and the risk of damage is practically eliminated.

encountered in the use of a casing for a con denser made of a weaker,material than sheet 1925. Serial m. 34,429.

For a clearer understanding of this and other advantageous features,reference is had to the accompanying drawings, wherein;

Figure 1 is a front view of a container or casing for a condenseraccording to my invention;

Figure 2 is a side view thereof;

Figure 3 an opposite side view;

Figure 4 a top view;

Figure 5 a bottom view;

Figure 6 a perspective view;

Figure 7 a vertical section through such a casing with a condensertherein;

Figures 8 and 9 are longitudinal edge views of supporting strips ormembers for such a casing; an

Figure 10 is a perspective view of another form of casing and enclosedcondenser.

The same numerals identify the same parts throughout.

At 1 is shown a casing in box form, of rectangular or other shape,having at least one flat side which preferably is made of stiff pasteboard, pressed papier-mach or the like. All joints and seams aresufficiently closed so as to be leak proof for hot parafiin or othersimilar waxes. This casing is closed at the bottom, but open at the top2 to permit insertion of the condenser 3. In the casing and projectingtherefrom at both ends is a supporting strip or member 4, theextremities .of which constitute anchorage lugs 5, 6

through which fastening devices may be passed to enable the mountedcontainer to be upon any desired device to support same. In Figures 1 to7 inclusive the casing is shown with a member f at the bottom andthrough the sides above the bottom, but Figure 10 shows in addition tothe transverse strip a longitudinal member 4 with flat lugs 5 and 6protruding from the top and bottom of the container, this strip lrunning lengthwise through the casing 1. The location of the lugs 5 and6 is thus a matter of choice, depending to a certain extent upon thesize of the space available for mounting the container and also upon theshape of the box and the weight of the contents within same.

The strips or members 4 are constructed as follows In one form, Figure8, a flat strip of thin but sufficiently rigid metal 8 for instance oftinned iron or brass is rounded at its ends, and cut sufficiently longto project for the required distance outside of the particular containerto which it is to be attached. At predetermined distances from thelongitudinal center of the flat strip 8 metal tongues 9 and 10 arepunched, tongue 9 being bent during this operation substantiallyparallel with the strip 4, while the other tongue 10 is at first notbent at all to facilitate the insertion of the strip into the casing.The strip 8 is ap plied to the container in the following manner. Theend of the strip provided with the tongue 10 is inserted into a slitprovided in the side of the casing 1. The strip is then pushed over theinner surface of the flat rear wall of the box and through a similarslot in the opposite side wall of box 1. After pressing strip 8 homewith tongue 9 resting upon the exterior of the rear wall and with theedge of that wall firmly seated in the crotch of tongue 9, tongue 10 isbent as desired, either at right angles to the front into closeapproximation to the adjacent outer face of the adjacent side Wall ofthe box, or bent backward so as to clamp upon the surface of the backwall of the box. In Figures 1 to 6, two such strips, one adjacent thebottom and another above the bottom may be utilized; both passingthrough the box from side to side. In the sectional view of Figure 7 thecondenser 3 is shown surrounded by and embedded in insulating andfixative wax 12 serving as a filler for the condenser. The wax is meltedand poured into the container after the insertion therein of thecondenser and around the latter, and this wax completely covers both thecondenser, and that portion of the strips 4 within the container. Aftercooling, a twofold purpose is accomplished, namely, not only is thecondenser rigidly held in the proper position in the container, but thestrip 8 also is given firm support by the encompassing wax filler. Asindicated in Figure 9, both lugs 9 and 10 may be bent at right angles toengage the opposite sides of the casing 1.

Figure 10 indicates the strip 8 affixed to the casing 1 in the verticalposition. Obviously an additional transverse strip may be at-.

tached also to this form of container, or even a third strip, if sodesired, may be inserted and located adjacent the lower part of thecasing.

While I have described my improved form of strip 8, as embodying thetwo-punched tongues 9 and 10, I have found that where the container isvery small and its contents relatively light, the presence of tongue 10can be dispensed with, thereby saving the costof an operation and at thesame time introducing no particular hazard as regards the stability ofthe anchorage.

Figures 1 to 5 inclusive show a bottom strip and a transverse strip atthe back. In Figures 6 and 10 the transverse strip is at the front. Thelugs 5 are additionally perforated at 12 but the lugs 6 have aperturesleft by the tongues 10 for fastening screws. In Figure 6 terminals 18 ofthe condenser project out through the wax 11; and in Figure 10, similarterminals or conductors appear at 14.

Of course if tongue 10 is omitted the lug 6 will be perforated, like thelug 5, in each strip.

I may, of course, make changes in the structural details set forthherein without departing from the scope or principle of my invention.

Having described my invention, what I believe to be new and desire tosecure and protect by Letters Patent of the United States is 1. Acondenser, a casing made fast thereto and enclosing same, and asupporting member passing along and through the casing, and

having projecting ends to enable the casing and condenser to be mounted,said member having a tongue to engage the casing and preventdisplacement of said member relative to said casing.

2. A condenser, a casing enclosing same, and a supporting member passingthrough the casing, and having projecting ends to enable the casing andcondenser to be mounted, said member having a tongue to engage thecasing and prevent displacement of said member relative to said casing,said tongue being parallel to said member.

3. A condenser, a casing fixed thereto and enclosing same, and asupporting member passing along and through the casing, and havingprojecting ends to enable the casing and condenser to be mounted, saidmember having a tongue to engage the casing and prevent displacement ofsaid member relative to said casing, said tongue being at right anglesto said member.

4. A condenser, a casing fixed thereto and enclosing the casing, and asupporting member passlng along and through the casing and havingprojecting ends to enable the casing and condenser to be mounted, saidmember having tongues to engage the casing and prevent displacement ofsaid member relative to said casing.

5. A casing, a condenser in the casing and a supporting member runninglengthwise through the casing, said member having tongues to engage thecasing at opposite points, one tongue being parallel to it and the otherat'right angles thereto. v 6. A- casing, a condenser in the casing,supporting members extending through the casing from side to sideadjacent the bottom and between the bottom andtop of said casing, andtongues on said members to engage the casing at opposite points, onetongue on each member being substantiallyparallel therewith, and theother at i'ight'angles to same. t

f7. Ac'ondenser comprising a casing, a conq denser body and a sealingcompound within the casing, terminal means for the condenser extendinthrough the casing, and a mounting mem er extending into said compound,

the compound comprising a means for affixing the mounting member to thecasing.

' 8. A condenser comprising a casing, a condenser body and embeddingcompound within the casing, terminal means for the condenser extendingthrough the casing, a mounting member extending through the casing and 1into. said embedding compound, the compound comprising a. means forpositioning said mounting member with respect to the casing. v

9. A condenser comprising a casing, a condenser body within the casing,terminal means -.for the condenserextending through the casing, amounting member extending into the casing, an embedding compound fillingthe space between the condenser body and the casing and adhering to saidmounting member and comprising a positioning means therefor. v

' 10. A condenser comprising a casing hav ing a condenser bodytherein,an embedding compound for the body within the casing, terminalmeans for the condenser extending through the casing, a mounting strippassing through the'c'asing and said compound, the compound comprising ameans for afiixing the mounting strip to .the casing.

11. A condenser comprising a casing of fragile material, a condenserbody within the casing and an embedding compound between said body andcasing, terminal means for the condenser extending through the casing, amounting strip of ruggedinaterial extending through the casing and intosaid embedding compound, the compound serving to afiix the mountingmember to relieve strain on the casing.

12. A. condenser comprising a casing of --cardboard material, acondenser body within the casing and an embedding compound between saidbody and casing, terminal means 59 for the condenser extending throughthe casing, a metallic mounting member extending i into the casin andcompound, said compound serving to a the mounting member and prevent thecasing from being torn by said member.

a In testimony whereof I aflix my signature. JOSEPH A. FRIED.

